/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/HierarchyEditor/NiagaraHierarchyViewModelBase.h
Used to create customized drag drop ops.
[TSharedRef](API\Runtime\Core\Templates\TSharedRef)< class [FNiagaraHierarchyDragDropOp](API\Plugins\NiagaraEditor\ViewModels\HierarchyEditor\FNiagaraHierarchyDragDropOp) > CreateDragDropOp()